78855554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 128603376

約数和(自身を除く): 49747822

約数列:

[1, 2, 17, 34, 61, 122, 193, 197, 386, 394, 1037, 2074, 3281, 3349, 6562, 6698, 11773, 12017, 23546, 24034, 38021, 76042, 200141, 204289, 400282, 408578, 646357, 1292714, 2319281, 4638562, 39427777, 78855554]

約数ペア:

[(1, 78855554), (2, 39427777), (17, 4638562), (34, 2319281), (61, 1292714), (122, 646357), (193, 408578), (197, 400282), (386, 204289), (394, 200141), (1037, 76042), (2074, 38021), (3281, 24034), (3349, 23546), (6562, 12017), (6698, 11773)]